DABCO-Catalyzed Reaction of Allenic Esters and Ketones with Salicyl <i>N</i>-Tosylimines: Synthesis of Highly Functionalized Chromenes
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资源简介：
DABCO-catalyzed reactions of salicyl N-tosylimines with ethyl 2,3-butadienoate and penta-3,4-dien-2-one proceed smoothly at room temperature in dichloromethane to give the corresponding chromenes in good to excellent yields.
创建时间：
2016-05-05
